Cid the

Cid

 (sĭd), the Originally Rodrigo Díaz de Vivar. 1043?-1099.
Spanish soldier and national hero whose military exploits, including the capture of Valencia (1094), are recounted in several literary works, most notably the epic The Song of the Cid.

[From Spanish el Cid, the Cid, from Old Spanish cid, lord, from medieval Andalusian Arabic síd, from Arabic sayyid, sayyid; see sayyid.]